1. Department of Medical Sciences, Infectious Diseases, University of Turin , 10126 Turin , Italy
2. School of Medicine, Tufts University , Boston, MA, USA
3. Department of Medical Sciences, Laboratory of Clinical Pharmacology and Pharmacogenetics, University of Turin, Amedeo di Savoia Hospital , Corso Svizzera 164 , 10149 Turin, Italy
4. Pneumology Unit, Department of Cardiovascular and Thoracic Diseases, Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino , Torino , Italy